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            "version": 1,
            "sender": "3MpGwjb2iGUHvNt2Hq6G9nHnSsKxGrCnSx8",
            "senderPublicKey": "5MmAhU2Uo8tCEQnPcjH3ZcazygZTXJmNpgkWSXAQfRJ3",
            "proofs": [
                "5t6t2N99kNGQ99y2znS2ptiivgfnTzHGGNQPzY4WnyPhJL3HyK7FiByfYzr1A9aTTBSNkMTKWocUGkdVNg3YFosb"
            ],
            "data": [
                {
                    "key": "item_A_coupon_price",
                    "type": "integer",
                    "value": 5000000
                }
            ]
        },
        {
            "type": 7,
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            "fee": 1400000,
            "feeAssetId": null,
            "timestamp": 1566852983990,
            "version": 2,
            "sender": "3Ms8fSfAxBLDjKvNVgACRzQoBLCtCWxtawu",
            "senderPublicKey": "6d1nbhBxLCxjUyL9xXcX2VVxj2kcKiYny7VqH4FwbApv",
            "proofs": [
                "33QLeMoASCosKT2rrQWUAqKSaGG6EsW38rAQpXZeixRpAzMm5ErLHbJg3NZNS5Nx9GQ7cGCRr4Cb9N23rnwAnXn9"
            ],
            "order1": {
                "version": 2,
                "id": "9U3UYWbzibfpJCVqhfkA4mEZXKf85a5rYFKsAGEMFJs",
                "sender": "3N464q3vS7SCFzhDbYiTAKR9DVbZMnwNQTz",
                "senderPublicKey": "7wuxSVYhMVtNq12nHX8wsn8wkC5osPZXRJ6hhJoutNKB",
                "matcherPublicKey": "6d1nbhBxLCxjUyL9xXcX2VVxj2kcKiYny7VqH4FwbApv",
                "assetPair": {
                    "amountAsset": "AMFteLfPzPhTsFc3NfvHG7fSRUnsp3tJXPH88G1PCisT",
                    "priceAsset": null
                },
                "orderType": "buy",
                "amount": 3729203828,
                "price": 39771028,
                "timestamp": 1566852983860,
                "expiration": 1569358583860,
                "matcherFee": 700000,
                "signature": "3PyoZer4FvaN7KSWPNoMcp81DHnFcLYUWxU8wunQvfYTgiDpP8VVKh1qXzyDpmkKYEgvz7qd7zFiLvUveNGsLu13",
                "proofs": [
                    "3PyoZer4FvaN7KSWPNoMcp81DHnFcLYUWxU8wunQvfYTgiDpP8VVKh1qXzyDpmkKYEgvz7qd7zFiLvUveNGsLu13"
                ]
            },
            "order2": {
                "version": 2,
                "id": "8G2jK1JvwYkuhVkHFPh5VyYHgkQ7VVhwaH7n4Brb2tqw",
                "sender": "3MpNLGecnvHTgmGnrP1j85QWKHD7r5wK6Sy",
                "senderPublicKey": "Ht98tMp8f3ZKijjTChB2Sa9cCqfdAxoY1BRL8eStaN34",
                "matcherPublicKey": "6d1nbhBxLCxjUyL9xXcX2VVxj2kcKiYny7VqH4FwbApv",
                "assetPair": {
                    "amountAsset": "AMFteLfPzPhTsFc3NfvHG7fSRUnsp3tJXPH88G1PCisT",
                    "priceAsset": null
                },
                "orderType": "sell",
                "amount": 3729203828,
                "price": 39771028,
                "timestamp": 1566852983810,
                "expiration": 1569358583810,
                "matcherFee": 700000,
                "signature": "3drLCw7kzgcpRw6juTku4Tez9MrtxBu1R3m976KJzap1qsPTCp42TAYcyymk3txmbcxu8vicSZPCYGcu7FrbSwKm",
                "proofs": [
                    "3drLCw7kzgcpRw6juTku4Tez9MrtxBu1R3m976KJzap1qsPTCp42TAYcyymk3txmbcxu8vicSZPCYGcu7FrbSwKm"
                ]
            },
            "amount": 3729203827,
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            "buyMatcherFee": 699999,
            "sellMatcherFee": 699999
        }
    ]
}

github/deemru/w8io/026f985 
22.96 ms